River Hop

The basics

Every hop moves exactly one cell — up, down, left or right — and the lanes keep moving while you think. The three road lanes run in alternating directions, so read the gap, not the car. The crossing clock gives you 45 seconds and restarts on every attempt; running it out costs a life. On the water you can only stand on a log or a turtle raft: land in open water and you drown, and a log that carries you past the edge of the board takes you with it, so hop off before it leaves. The far bank is safe anywhere; step onto one of the five lily pads to fill it. Scoring: 10 points for every new row you reach in a crossing, 50 plus two points for each second left on the clock when you fill a pad, and 200 for clearing a level. Five pads clear the level, and every level speeds all eight lanes up by 16%. Three lives; when they are gone the run ends and your best score stays in this browser.

Objective:

Cross the river and fill all five lily pads. Hop north one cell at a time: three lanes of traffic first, then five lanes of water where only the logs and turtle rafts keep you afloat. The far bank is safe anywhere; stepping onto a lily pad fills it and sends you back to the bottom bank for the next crossing. Fill all five to clear the level, collect a bonus and start the next level with faster lanes. A car, open water or a run-out crossing clock costs one of your three lives.

Controls:

Keyboard: the arrow keys or W A S D hop one cell, Space or Enter starts a run, and R starts a new run. Touch: swipe the board in the direction you want to hop, or use the four on-screen buttons — the pad only appears on touch devices. Buttons: Start begins a run, Restart begins a new run at any time. Every button is at least 26 px tall and the on-screen pad at least 34 px.